EP3353778A4 - Procédé et système utilisant une différence de corrélation à long terme entre les canaux gauche et droit pour le sous-mixage temporel d'un signal sonore stéréo en canaux primaire et secondaire - Google Patents

Procédé et système utilisant une différence de corrélation à long terme entre les canaux gauche et droit pour le sous-mixage temporel d'un signal sonore stéréo en canaux primaire et secondaire Download PDF

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Publication number
EP3353778A4
EP3353778A4 EP16847684.4A EP16847684A EP3353778A4 EP 3353778 A4 EP3353778 A4 EP 3353778A4 EP 16847684 A EP16847684 A EP 16847684A EP 3353778 A4 EP3353778 A4 EP 3353778A4
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EP
European Patent Office
Prior art keywords
channels
primary
long
time domain
sound signal
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EP16847684.4A
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German (de)
English (en)
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EP3353778B1 (fr
EP3353778A1 (fr
Inventor
Tommy Vaillancourt
Milan Jelinek
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VoiceAge Corp
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VoiceAge Corp
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Priority to EP23172915.3A priority Critical patent/EP4235659A3/fr
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Publication of EP3353778A4 publication Critical patent/EP3353778A4/fr
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Classifications

    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L19/00—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis
    • G10L19/008—Multichannel audio signal coding or decoding using interchannel correlation to reduce redundancy, e.g. joint-stereo, intensity-coding or matrixing
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L19/00—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis
    • G10L19/002—Dynamic bit allocation
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L19/00—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis
    • G10L19/02—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis using spectral analysis, e.g. transform vocoders or subband vocoders
    • G10L19/032—Quantisation or dequantisation of spectral components
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L19/00—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis
    • G10L19/04—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis using predictive techniques
    • G10L19/06—Determination or coding of the spectral characteristics, e.g. of the short-term prediction coefficients
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L19/00—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis
    • G10L19/04—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis using predictive techniques
    • G10L19/08—Determination or coding of the excitation function; Determination or coding of the long-term prediction parameters
    • G10L19/09—Long term prediction, i.e. removing periodical redundancies, e.g. by using adaptive codebook or pitch predictor
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L19/00—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis
    • G10L19/04—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis using predictive techniques
    • G10L19/08—Determination or coding of the excitation function; Determination or coding of the long-term prediction parameters
    • G10L19/12—Determination or coding of the excitation function; Determination or coding of the long-term prediction parameters the excitation function being a code excitation, e.g. in code excited linear prediction [CELP] vocoders
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L19/00—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis
    • G10L19/04—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis using predictive techniques
    • G10L19/16—Vocoder architecture
    • G10L19/18—Vocoders using multiple modes
    • G10L19/24—Variable rate codecs, e.g. for generating different qualities using a scalable representation such as hierarchical encoding or layered encoding
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L19/00—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis
    • G10L19/04—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis using predictive techniques
    • G10L19/26—Pre-filtering or post-filtering
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L25/00—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00
    • G10L25/03—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00 characterised by the type of extracted parameters
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L25/00—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00
    • G10L25/03—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00 characterised by the type of extracted parameters
    • G10L25/06—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00 characterised by the type of extracted parameters the extracted parameters being correlation coefficients
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L25/00—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00
    • G10L25/03—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00 characterised by the type of extracted parameters
    • G10L25/21—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00 characterised by the type of extracted parameters the extracted parameters being power information
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L25/00—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00
    • G10L25/48—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00 specially adapted for particular use
    • G10L25/51—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00 specially adapted for particular use for comparison or discrimination
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04S—STEREOPHONIC SYSTEMS 
    • H04S1/00—Two-channel systems
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04S—STEREOPHONIC SYSTEMS 
    • H04S1/00—Two-channel systems
    • H04S1/007—Two-channel systems in which the audio signals are in digital form
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04S—STEREOPHONIC SYSTEMS 
    • H04S2400/00—Details of stereophonic systems covered by H04S but not provided for in its groups
    • H04S2400/01—Multi-channel, i.e. more than two input channels, sound reproduction with two speakers wherein the multi-channel information is substantially preserved
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04S—STEREOPHONIC SYSTEMS 
    • H04S2400/00—Details of stereophonic systems covered by H04S but not provided for in its groups
    • H04S2400/03—Aspects of down-mixing multi-channel audio to configurations with lower numbers of playback channels, e.g. 7.1 -> 5.1

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Multimedia (AREA)
  • Computational Linguistics (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Mathematical Physics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Quality & Reliability (AREA)
  • Stereophonic System (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Stereo-Broadcasting Methods (AREA)
  • Transmission Systems Not Characterized By The Medium Used For Transmission (AREA)
EP16847684.4A 2015-09-25 2016-09-22 Procédé et système utilisant une différence de corrélation à long terme entre les canaux gauche et droit pour le sous-mixage temporel d'un signal sonore stéréo en canaux primaire et secondaire Active EP3353778B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP23172915.3A EP4235659A3 (fr) 2015-09-25 2016-09-22 Procédé et système utilisant une différence de corrélation à long terme entre les canaux gauche et droit pour le sous-mixage temporel d'un signal sonore stéréo en canaux primaire et secondaire

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US201562232589P 2015-09-25 2015-09-25
US201662362360P 2016-07-14 2016-07-14
PCT/CA2016/051106 WO2017049397A1 (fr) 2015-09-25 2016-09-22 Procédé et système utilisant une différence de corrélation à long terme entre les canaux gauche et droit pour le sous-mixage temporel d'un signal sonore stéréo en canaux primaire et secondaire

Related Child Applications (2)

Application Number Title Priority Date Filing Date
EP23172915.3A Division-Into EP4235659A3 (fr) 2015-09-25 2016-09-22 Procédé et système utilisant une différence de corrélation à long terme entre les canaux gauche et droit pour le sous-mixage temporel d'un signal sonore stéréo en canaux primaire et secondaire
EP23172915.3A Division EP4235659A3 (fr) 2015-09-25 2016-09-22 Procédé et système utilisant une différence de corrélation à long terme entre les canaux gauche et droit pour le sous-mixage temporel d'un signal sonore stéréo en canaux primaire et secondaire

Publications (3)

Publication Number Publication Date
EP3353778A1 EP3353778A1 (fr) 2018-08-01
EP3353778A4 true EP3353778A4 (fr) 2019-05-08
EP3353778B1 EP3353778B1 (fr) 2023-07-05

Family

ID=58385516

Family Applications (8)

Application Number Title Priority Date Filing Date
EP16847687.7A Pending EP3353784A4 (fr) 2015-09-25 2016-09-22 Procédé et système de codage de canaux gauche et droit d'un signal sonore stéréo sélectionnant entre des modèles à deux et quatre sous-trames en fonction du budget de bits
EP23172915.3A Pending EP4235659A3 (fr) 2015-09-25 2016-09-22 Procédé et système utilisant une différence de corrélation à long terme entre les canaux gauche et droit pour le sous-mixage temporel d'un signal sonore stéréo en canaux primaire et secondaire
EP16847686.9A Active EP3353780B1 (fr) 2015-09-25 2016-09-22 Procédé et système de décodage de canaux gauche et droit d'un signal sonore stéréo
EP16847684.4A Active EP3353778B1 (fr) 2015-09-25 2016-09-22 Procédé et système utilisant une différence de corrélation à long terme entre les canaux gauche et droit pour le sous-mixage temporel d'un signal sonore stéréo en canaux primaire et secondaire
EP16847683.6A Active EP3353777B8 (fr) 2015-09-25 2016-09-22 Procédé et système pour le mixage réducteur de domaine temporel d'un signal sonore stéréo en canaux primaire et secondaire par détection d'état hors phase des canaux gauche et droit
EP20170546.4A Pending EP3699909A1 (fr) 2015-09-25 2016-09-22 Procédé et système pour coder un signal sonore stéréo à l'aide de paramètres de codage d'un canal primaire pour coder un canal secondaire
EP16847685.1A Active EP3353779B1 (fr) 2015-09-25 2016-09-22 Procédé et système pour coder un signal sonore stéréo à l'aide de paramètres de codage d'un canal primaire pour coder un canal secondaire
EP21201478.1A Pending EP3961623A1 (fr) 2015-09-25 2016-09-22 Procédé et système de décodage de canaux gauche et droite d'un signal sonore stéréo

Family Applications Before (3)

Application Number Title Priority Date Filing Date
EP16847687.7A Pending EP3353784A4 (fr) 2015-09-25 2016-09-22 Procédé et système de codage de canaux gauche et droit d'un signal sonore stéréo sélectionnant entre des modèles à deux et quatre sous-trames en fonction du budget de bits
EP23172915.3A Pending EP4235659A3 (fr) 2015-09-25 2016-09-22 Procédé et système utilisant une différence de corrélation à long terme entre les canaux gauche et droit pour le sous-mixage temporel d'un signal sonore stéréo en canaux primaire et secondaire
EP16847686.9A Active EP3353780B1 (fr) 2015-09-25 2016-09-22 Procédé et système de décodage de canaux gauche et droit d'un signal sonore stéréo

Family Applications After (4)

Application Number Title Priority Date Filing Date
EP16847683.6A Active EP3353777B8 (fr) 2015-09-25 2016-09-22 Procédé et système pour le mixage réducteur de domaine temporel d'un signal sonore stéréo en canaux primaire et secondaire par détection d'état hors phase des canaux gauche et droit
EP20170546.4A Pending EP3699909A1 (fr) 2015-09-25 2016-09-22 Procédé et système pour coder un signal sonore stéréo à l'aide de paramètres de codage d'un canal primaire pour coder un canal secondaire
EP16847685.1A Active EP3353779B1 (fr) 2015-09-25 2016-09-22 Procédé et système pour coder un signal sonore stéréo à l'aide de paramètres de codage d'un canal primaire pour coder un canal secondaire
EP21201478.1A Pending EP3961623A1 (fr) 2015-09-25 2016-09-22 Procédé et système de décodage de canaux gauche et droite d'un signal sonore stéréo

Country Status (17)

Country Link
US (8) US10339940B2 (fr)
EP (8) EP3353784A4 (fr)
JP (6) JP6976934B2 (fr)
KR (3) KR102677745B1 (fr)
CN (4) CN116343802A (fr)
AU (1) AU2016325879B2 (fr)
CA (5) CA2997296C (fr)
DK (1) DK3353779T3 (fr)
ES (4) ES2955962T3 (fr)
HK (4) HK1253569A1 (fr)
MX (4) MX2018003242A (fr)
MY (2) MY188370A (fr)
PL (1) PL3353779T3 (fr)
PT (1) PT3353779T (fr)
RU (6) RU2729603C2 (fr)
WO (5) WO2017049398A1 (fr)
ZA (2) ZA201801675B (fr)

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